Donald Nagle was an American marine, karate expert and instructor. Biography Nagle was a Marine; in the mid-1950s he was stationed on Okinawa, in the Ryukyu Islands off the coast of Japan. There he studied karate under Tatsuo Shimabuku, who had started the Isshin-Ryu school. He was promoted to 8th-degree black belt in 1966. The IIKA (International Isshinryu Karate Association) promoted Don Nagle to 9th-Degree black belt on November 2, 1984. He died on August 23, 1999, a day after heart surgery at the age 61. References 1938 births 1999 deaths American male karateka Sportspeople from Jersey City, New Jersey United States Marines Gōjū-ryū practitioners